docs: def drop_namespace_by_url(self, url: str) -> None:
          """Drop the namespace at the given URL.
  
          Won't work if the edge store is in use.
  
          :param url: The URL of the namespace to drop
          """
          namespace = self.get_namespace_by_url(url)
          self.session.query(NamespaceEntry).filter(NamespaceEntry.namespace == namespace).delete()
          self.session.delete(namespace)
          self.session.commit()